Special-purpose Training Tests for study the topic level testing. Choose the correct answer

Choose the correct answer

1. Select the clinical steps of crown making:

A. tooth preparation;

B. models making;

C. polishing;

D. wax up making;

E. metal cast making.

2. The woman 25 old-years complain of change the colour tooth 1.3, aesthetic defect. In anamnesis: treatment of 13 teeth on cause of the complicated caries, allergy on plastic. Objective: tooth 1.3 have dark-gray colour, defect is restored by seal. X-ray examination: root canal is sealing before the top. The Bite is direct. What artificial crown is recommended for this patient?

А. Metal-ceramic;

В. Cast (molded) crown;

С. Metal-plastic;

D. Plastic;

E. Pressed.

3. Indicate the correct sequence preparation of hard tissues of teeth in orthopedic treatment by metallic pressed crown of tooth 1.6

А. Separation, chewing surface, oral, vestibular surface;

В. Vestibular, oral surface, chewing surface, separation;

С. Separation, vestibular, oral surface, chewing surface;

D. Separation, oral, vestibular surface, chewing surface;

E. Chewing surface, separation, vestibular surface.

4. Patient 24 old-years complaints on defect hard tissues of tooth 2.1. Objective: tooth 2.1 ruined on 1/3 on cutting edge, is changed in colour, on x-ray: root canal is sealing before the top. Accepted the decision to make the plastic crown. Where must be the edge of the crown to edge of gum?

А. At a rate of gum;

В. Not to get to gum on 0, 5 mm;

С. Not to get to gum on 1, 0 mm;

D. Under gum on 0, 5 mm;

E. Under gum on 1, 0 mm.

5. Patient 39 old-years complain of metallic aftertaste, hypersalivation. In anamnesis: gastric ulcer. Objective: teeth 2.8, 2.7 cover pressed crown with MPC (medical protective coating). After removing of crowns 2.7, 2.8 the complaints disappeared. What design is necessary to use in this case?

А. The pressed crown from alloy of gold;

В. Cast crowns;

С. Plastic crowns;

D. Porcelain crowns;

E. Multifunction crowns.

6. Patient 27 old-years complain of split off of the crown tooth 2.1, cosmetic defect. Crown of tooth 2.1 is reduced in size to account of the cutting edge. The reaction on warm-up influences and the percussion are negative. EOM - 6 mkА. Planning treatment by inlay with parapulpal dowels. Indicate the safe zones for incisors by Abolmasov.

А. The Cutting edge, oral and vestibular surfaces are at a rate of equator and necks;

В. The Cutting edge, contact walls at a rate of equator and necks;

С. Oral and vestibular surfaces, contact surfaces at a rate of equator and necks;

D. Oral surface and surfaces at a rate of equator and necks;

E. The Cutting edge, vestibular surface at a rate of necks.